diff --git a/Lib/multiprocessing/connection.py b/Lib/multiprocessing/connection.py
index 1d65f46..df57906 100644
--- a/Lib/multiprocessing/connection.py
+++ b/Lib/multiprocessing/connection.py
@@ -865,7 +865,7 @@
     if hasattr(select, 'poll'):
         def _poll(fds, timeout):
             if timeout is not None:
-                timeout = int(timeout) * 1000  # timeout is in milliseconds
+                timeout = int(timeout * 1000)  # timeout is in milliseconds
             fd_map = {}
             pollster = select.poll()
             for fd in fds: